Question

If f(x) =  − 5, what is f(8.6)?

Answer 1

 f = 43/5 = 8.600 ....................

Answer 2

If f(x) = -5, you gotta assume that f = -5 and x = 1 like in any equation
So if f(x) = -5, then f(8.6) should be -5(8.6) by distributive property
-5(8.6) = -43
The answer is -43 OR f(8.6) = -43